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Why Can We Always Ensure Excellent Quality

Quality Control

We exercise stringent internal control measures for ensuring the accurate dimensions and mechanical properties of our products. Our quality assurance system assures each product to undergo Factory testing requirements.We will count cheapest shipping cost and make invoice to you at once. Email you the tracking no., and help to chase the parcels until it arrive you. If you have any question, please contact us freely by E-mail or Telephone.

Certification

Huizhou Longwangda Technology Co., Ltd. Certifications
Standard: BV-BFE filter membrane Test Report
Number: FT-20220505064-EN
Issue Date: 2022-06-21
Huizhou Longwangda Technology Co., Ltd. Certifications
Standard: CN215275239U
Number: 2021 2 1112986.3
Issue Date: 2022-04-13
Huizhou Longwangda Technology Co., Ltd. Certifications
Standard: Filter Membrane MSDS Report
Number: MPIJR4MK176457U3
Issue Date: 2021-06-23
Huizhou Longwangda Technology Co., Ltd. Certifications
Standard: Filter membrane ROSH Report
Number: MPCDXK4K165497D1
Issue Date: 2021-06-24
Huizhou Longwangda Technology Co., Ltd. Certifications
Standard: WET Paper MSDS Report
Number: MPI2L9VC25246716
Issue Date: 2021-03-08
Huizhou Longwangda Technology Co., Ltd. Certifications
Standard: WET Paper ROSH Report
Number: MPCGW01C00362704
Issue Date: 2021-02-25
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